an act or instance of relinquishing, abandoning, repudiating, or sacrificing something, as a right, title, person, or ambition: the king's renunciation of the throne.
Origin: 1350–1400; Middle English < Latin renūnciātiōn- (stem of renūnciātiō) proclamation, equivalent to renūnciāt(us) (past participle of renūntiāre to renounce) + -iōn--ion